EP1041823A3 - Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations - Google Patents
Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations Download PDFInfo
- Publication number
- EP1041823A3 EP1041823A3 EP20000302721 EP00302721A EP1041823A3 EP 1041823 A3 EP1041823 A3 EP 1041823A3 EP 20000302721 EP20000302721 EP 20000302721 EP 00302721 A EP00302721 A EP 00302721A EP 1041823 A3 EP1041823 A3 EP 1041823A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- content
- encrypted
- content distribution
- attribute information
- receiving apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 3
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25816—Management of client data involving client authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
- H04N21/63775—Control signals issued by the client directed to the server or network components directed to server for uploading keys, e.g. for a client to communicate its public key to the server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20060000449 EP1646238B1 (fr) | 1999-03-31 | 2000-03-31 | Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09391699A JP3816689B2 (ja) | 1999-03-31 | 1999-03-31 | 情報配信装置、情報受信装置及び通信方法 |
JP9391699 | 1999-03-31 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20060000449 Division EP1646238B1 (fr) | 1999-03-31 | 2000-03-31 | Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1041823A2 EP1041823A2 (fr) | 2000-10-04 |
EP1041823A3 true EP1041823A3 (fr) | 2003-05-07 |
EP1041823B1 EP1041823B1 (fr) | 2006-03-08 |
Family
ID=14095798
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000302721 Expired - Lifetime EP1041823B1 (fr) | 1999-03-31 | 2000-03-31 | Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations |
EP20060000449 Expired - Lifetime EP1646238B1 (fr) | 1999-03-31 | 2000-03-31 | Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20060000449 Expired - Lifetime EP1646238B1 (fr) | 1999-03-31 | 2000-03-31 | Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050216731A1 (fr) |
EP (2) | EP1041823B1 (fr) |
JP (1) | JP3816689B2 (fr) |
DE (2) | DE60038916D1 (fr) |
Families Citing this family (108)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6449719B1 (en) | 1999-11-09 | 2002-09-10 | Widevine Technologies, Inc. | Process and streaming server for encrypting a data stream |
US8055894B2 (en) | 1999-11-09 | 2011-11-08 | Google Inc. | Process and streaming server for encrypting a data stream with bandwidth based variation |
GB2366158B (en) * | 2000-05-24 | 2004-06-09 | Hewlett Packard Co | Internet key exchange |
US7373507B2 (en) | 2000-08-10 | 2008-05-13 | Plethora Technology, Inc. | System and method for establishing secure communication |
US7150045B2 (en) | 2000-12-14 | 2006-12-12 | Widevine Technologies, Inc. | Method and apparatus for protection of electronic media |
US7774279B2 (en) | 2001-05-31 | 2010-08-10 | Contentguard Holdings, Inc. | Rights offering and granting |
US6754642B2 (en) * | 2001-05-31 | 2004-06-22 | Contentguard Holdings, Inc. | Method and apparatus for dynamically assigning usage rights to digital works |
JP4957936B2 (ja) * | 2001-03-16 | 2012-06-20 | ソニー株式会社 | コンテンツ信号再生装置、コンテンツ信号再生方法 |
US7805338B2 (en) * | 2001-03-26 | 2010-09-28 | Usa Technologies, Inc. | Method of constructing a digital content play list for transmission and presentation on a public access electronic terminal |
US8121296B2 (en) | 2001-03-28 | 2012-02-21 | Qualcomm Incorporated | Method and apparatus for security in a data processing system |
US8077679B2 (en) | 2001-03-28 | 2011-12-13 | Qualcomm Incorporated | Method and apparatus for providing protocol options in a wireless communication system |
JP4617474B2 (ja) * | 2001-04-06 | 2011-01-26 | 株式会社メガチップス | データ中継装置およびデータ中継システム |
JP3819729B2 (ja) * | 2001-04-20 | 2006-09-13 | 株式会社エヌ・ティ・ティ・ドコモ | データ安全化通信装置及びその方法 |
US7505936B2 (en) | 2001-05-11 | 2009-03-17 | Accenture Global Services Gmbh | Digital content subscription conditioning system |
US8001053B2 (en) | 2001-05-31 | 2011-08-16 | Contentguard Holdings, Inc. | System and method for rights offering and granting using shared state variables |
US7895123B1 (en) * | 2001-06-12 | 2011-02-22 | Accenture Global Services Limited | Digital content publication |
US7249139B2 (en) | 2001-07-13 | 2007-07-24 | Accenture Global Services Gmbh | Secure virtual marketplace for virtual objects and services |
US7185362B2 (en) * | 2001-08-20 | 2007-02-27 | Qualcomm, Incorporated | Method and apparatus for security in a data processing system |
US20030059053A1 (en) * | 2001-09-26 | 2003-03-27 | General Instrument Corporation Motorola, Inc. | Key management interface to multiple and simultaneous protocols |
US7237108B2 (en) | 2001-09-26 | 2007-06-26 | General Instrument Corporation | Encryption of streaming control protocols and their headers |
US8255989B2 (en) | 2001-09-26 | 2012-08-28 | General Instrument Corporation | Access control and key management system for streaming media |
US7352868B2 (en) | 2001-10-09 | 2008-04-01 | Philip Hawkes | Method and apparatus for security in a data processing system |
US7649829B2 (en) | 2001-10-12 | 2010-01-19 | Qualcomm Incorporated | Method and system for reduction of decoding complexity in a communication system |
FR2831737B1 (fr) * | 2001-10-29 | 2003-12-26 | France Telecom | Procede et systeme de transmission avec controle d'acces de donnees numeriques embrouillees dans un reseau d'echange de donnees |
JP2003141816A (ja) * | 2001-10-31 | 2003-05-16 | Toshiba Corp | パケットデータの情報記録再生装置、情報記録媒体及び方法 |
US7243366B2 (en) | 2001-11-15 | 2007-07-10 | General Instrument Corporation | Key management protocol and authentication system for secure internet protocol rights management architecture |
EP1456777B1 (fr) | 2001-12-19 | 2019-11-20 | Irdeto B.V. | Système de distribution de contenu numérique |
JP4468639B2 (ja) * | 2002-02-05 | 2010-05-26 | パナソニック株式会社 | Mpegipmpコンテンツにおける権利の分配形ipmp装置メッセージングおよび多重化の方法 |
GB2386210A (en) * | 2002-03-07 | 2003-09-10 | Hewlett Packard Co | Method of controlling content consumption |
JP3764125B2 (ja) * | 2002-04-26 | 2006-04-05 | 富士通株式会社 | ゲートウェイ、通信端末装置、および通信制御プログラム |
US7356687B2 (en) | 2002-05-21 | 2008-04-08 | General Instrument Corporation | Association of security parameters for a collection of related streaming protocols |
JP3821086B2 (ja) | 2002-11-01 | 2006-09-13 | ソニー株式会社 | ストリーミングシステム及びストリーミング方法、クライアント端末及びデータ復号方法、並びにプログラム |
US7188245B2 (en) | 2002-12-09 | 2007-03-06 | Kabushiki Kaisha Toshiba | Contents transmission/reception scheme with function for limiting recipients |
US7599655B2 (en) | 2003-01-02 | 2009-10-06 | Qualcomm Incorporated | Method and apparatus for broadcast services in a communication system |
US7251328B2 (en) | 2003-01-14 | 2007-07-31 | General Instrument Corporation | System for secure decryption of streaming media using selective decryption of header information and decryption of reassembled content |
US8204076B2 (en) | 2003-05-01 | 2012-06-19 | Genesis Microchip Inc. | Compact packet based multimedia interface |
US7405719B2 (en) | 2003-05-01 | 2008-07-29 | Genesis Microchip Inc. | Using packet transfer for driving LCD panel driver electronics |
US7088741B2 (en) | 2003-05-01 | 2006-08-08 | Genesis Microchip Inc. | Using an auxilary channel for video monitor training |
US8068485B2 (en) | 2003-05-01 | 2011-11-29 | Genesis Microchip Inc. | Multimedia interface |
US8059673B2 (en) | 2003-05-01 | 2011-11-15 | Genesis Microchip Inc. | Dynamic resource re-allocation in a packet based video display interface |
US7733915B2 (en) | 2003-05-01 | 2010-06-08 | Genesis Microchip Inc. | Minimizing buffer requirements in a digital video system |
US7424558B2 (en) | 2003-05-01 | 2008-09-09 | Genesis Microchip Inc. | Method of adaptively connecting a video source and a video display |
US7068686B2 (en) | 2003-05-01 | 2006-06-27 | Genesis Microchip Inc. | Method and apparatus for efficient transmission of multimedia data packets |
US7839860B2 (en) | 2003-05-01 | 2010-11-23 | Genesis Microchip Inc. | Packet based video display interface |
JP4881538B2 (ja) * | 2003-06-10 | 2012-02-22 | 株式会社日立製作所 | コンテンツ送信装置およびコンテンツ送信方法 |
US7483532B2 (en) | 2003-07-03 | 2009-01-27 | Microsoft Corporation | RTP payload format |
US8098818B2 (en) | 2003-07-07 | 2012-01-17 | Qualcomm Incorporated | Secure registration for a multicast-broadcast-multimedia system (MBMS) |
US8718279B2 (en) | 2003-07-08 | 2014-05-06 | Qualcomm Incorporated | Apparatus and method for a secure broadcast system |
JP2005045612A (ja) | 2003-07-23 | 2005-02-17 | Sony Corp | 受信装置、及び受信方法 |
US8724803B2 (en) | 2003-09-02 | 2014-05-13 | Qualcomm Incorporated | Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system |
US7487273B2 (en) | 2003-09-18 | 2009-02-03 | Genesis Microchip Inc. | Data packet based stream transport scheduler wherein transport data link does not include a clock line |
US7800623B2 (en) | 2003-09-18 | 2010-09-21 | Genesis Microchip Inc. | Bypassing pixel clock generation and CRTC circuits in a graphics controller chip |
US7634090B2 (en) * | 2003-09-26 | 2009-12-15 | Genesis Microchip Inc. | Packet based high definition high-bandwidth digital content protection |
US20070127437A1 (en) * | 2003-10-16 | 2007-06-07 | Nec Corporation | Medium signal transmission method, reception method, transmission/reception method, and device |
US7681244B2 (en) | 2003-12-11 | 2010-03-16 | Panasonic Corporation | Packet transmitter apparatus |
JP4608886B2 (ja) * | 2004-01-16 | 2011-01-12 | 株式会社日立製作所 | コンテンツ送信装置および方法 |
JP4982031B2 (ja) | 2004-01-16 | 2012-07-25 | 株式会社日立製作所 | コンテンツ送信装置、コンテンツ受信装置およびコンテンツ送信方法、コンテンツ受信方法 |
JP4645049B2 (ja) | 2004-03-19 | 2011-03-09 | 株式会社日立製作所 | コンテンツ送信装置およびコンテンツ送信方法 |
US8190680B2 (en) * | 2004-07-01 | 2012-05-29 | Netgear, Inc. | Method and system for synchronization of digital media playback |
WO2006040320A1 (fr) * | 2004-10-11 | 2006-04-20 | Thomson Licensing | Procede permettant d'apporter des precisions dans la transmission d'une suite mpeg par ip et dispositif permettant de mettre en oeuvre ce procede |
JP3814620B2 (ja) | 2004-10-15 | 2006-08-30 | 株式会社東芝 | 情報処理装置および情報処理方法 |
ATE437505T1 (de) | 2004-11-02 | 2009-08-15 | Nokia Corp | Informieren einer empfängereinrichtung über nachrichteninhaltseigenschaften |
JP4198706B2 (ja) | 2004-11-15 | 2008-12-17 | 株式会社メガチップス | 記憶装置 |
US20060205449A1 (en) * | 2005-03-08 | 2006-09-14 | Broadcom Corporation | Mechanism for improved interoperability when content protection is used with an audio stream |
WO2006095742A1 (fr) | 2005-03-08 | 2006-09-14 | Matsushita Electric Industrial Co., Ltd. | Appareil de transmission de paquets |
US8438645B2 (en) | 2005-04-27 | 2013-05-07 | Microsoft Corporation | Secure clock with grace periods |
KR100823256B1 (ko) | 2005-04-13 | 2008-04-17 | 삼성전자주식회사 | 방송 콘텐츠 패키징 방법 |
US7684566B2 (en) | 2005-05-27 | 2010-03-23 | Microsoft Corporation | Encryption scheme for streamed multimedia content protected by rights management system |
DE102005025328B4 (de) * | 2005-05-31 | 2007-06-28 | Siemens Ag | Verfahren zur Übertragung von Synchronisierungs-Nachrichten |
US7769880B2 (en) | 2005-07-07 | 2010-08-03 | Microsoft Corporation | Carrying protected content using a control protocol for streaming and a transport protocol |
US7561696B2 (en) | 2005-07-12 | 2009-07-14 | Microsoft Corporation | Delivering policy updates for protected content |
JP4582411B2 (ja) | 2005-08-04 | 2010-11-17 | ソニー株式会社 | 情報処理装置および方法、並びにプログラム |
JP4524656B2 (ja) * | 2005-08-04 | 2010-08-18 | ソニー株式会社 | 情報処理装置および方法、並びにプログラム |
US8321690B2 (en) | 2005-08-11 | 2012-11-27 | Microsoft Corporation | Protecting digital media of various content types |
US7634816B2 (en) | 2005-08-11 | 2009-12-15 | Microsoft Corporation | Revocation information management |
WO2007038245A2 (fr) | 2005-09-23 | 2007-04-05 | Widevine Technologies, Inc. | Procede de mise au point de detecteurs en vue de la detection d'un comportement malin dans un systeme immunitaire artificiel |
US8065733B2 (en) | 2005-09-23 | 2011-11-22 | Google, Inc. | Method for evolving detectors to detect malign behavior in an artificial immune system |
US7720096B2 (en) | 2005-10-13 | 2010-05-18 | Microsoft Corporation | RTP payload format for VC-1 |
US8689016B2 (en) | 2005-12-02 | 2014-04-01 | Google Inc. | Tamper prevention and detection for video provided over a network to a client |
JP2007180876A (ja) * | 2005-12-27 | 2007-07-12 | Kyocera Corp | データ送受信システム、暗号化情報送信方法、データ送信装置、及びデータ受信装置 |
JP4267008B2 (ja) * | 2006-07-28 | 2009-05-27 | Necインフロンティア株式会社 | クライアント・サーバ分散システム、サーバ装置、クライアント装置及びそれらに用いるクライアント間rtp暗号方法 |
JP2008113172A (ja) * | 2006-10-30 | 2008-05-15 | Hitachi Ltd | コンテンツ送信装置、コンテンツ受信装置及びコンテンツ暗号化方法 |
JP5130734B2 (ja) | 2007-02-15 | 2013-01-30 | ソニー株式会社 | 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム |
JP2009027659A (ja) * | 2007-07-24 | 2009-02-05 | Hitachi Ltd | コンテンツ送信装置及びコンテンツ受信装置 |
US8196214B2 (en) | 2007-12-14 | 2012-06-05 | Apple Inc. | Method and apparatus for securing content using encryption with embedded key in content |
WO2009152846A1 (fr) * | 2008-06-16 | 2009-12-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Stockage et envoi de données multimédias |
US8429440B2 (en) | 2009-05-13 | 2013-04-23 | Stmicroelectronics, Inc. | Flat panel display driver method and system |
US8156238B2 (en) | 2009-05-13 | 2012-04-10 | Stmicroelectronics, Inc. | Wireless multimedia transport method and apparatus |
US8760461B2 (en) | 2009-05-13 | 2014-06-24 | Stmicroelectronics, Inc. | Device, system, and method for wide gamut color space support |
US8860888B2 (en) | 2009-05-13 | 2014-10-14 | Stmicroelectronics, Inc. | Method and apparatus for power saving during video blanking periods |
US8582452B2 (en) | 2009-05-18 | 2013-11-12 | Stmicroelectronics, Inc. | Data link configuration by a receiver in the absence of link training data |
US8291207B2 (en) | 2009-05-18 | 2012-10-16 | Stmicroelectronics, Inc. | Frequency and symbol locking using signal generated clock frequency and symbol identification |
US8370554B2 (en) | 2009-05-18 | 2013-02-05 | Stmicroelectronics, Inc. | Operation of video source and sink with hot plug detection not asserted |
US8468285B2 (en) | 2009-05-18 | 2013-06-18 | Stmicroelectronics, Inc. | Operation of video source and sink with toggled hot plug detection |
US8671234B2 (en) | 2010-05-27 | 2014-03-11 | Stmicroelectronics, Inc. | Level shifting cable adaptor and chip system for use with dual-mode multi-media device |
JP2010263642A (ja) * | 2010-07-01 | 2010-11-18 | Panasonic Corp | 通信システム |
JP2012205088A (ja) * | 2011-03-25 | 2012-10-22 | Toshiba Corp | ノード及びグループ鍵更新方法 |
KR20130003544A (ko) * | 2011-06-30 | 2013-01-09 | 한국전자통신연구원 | 단말 장치들 사이의 콘텐츠 동기화 방법 및 시스템 |
CN103078831A (zh) * | 2011-10-26 | 2013-05-01 | 新太科技股份有限公司 | 一种流媒体支持tcp和udp传送的自适应的方法 |
US8880882B2 (en) * | 2012-04-04 | 2014-11-04 | Google Inc. | Securely performing programmatic cloud-based data analysis |
US8982702B2 (en) * | 2012-10-30 | 2015-03-17 | Cisco Technology, Inc. | Control of rate adaptive endpoints |
US10977298B2 (en) | 2013-11-08 | 2021-04-13 | Friend for Media Limited | Identifying media components |
CN105430320A (zh) * | 2015-11-23 | 2016-03-23 | 兰玉杰 | 基于udp和tcp的音视频媒体数据传输方法 |
CN106507202B (zh) * | 2016-11-11 | 2019-12-17 | 传线网络科技(上海)有限公司 | 播放控制方法及装置 |
CN116112721A (zh) * | 2018-04-24 | 2023-05-12 | 谷歌有限责任公司 | 多个设备上的同步媒体内容回放的方法、***和介质 |
CN110912859B (zh) * | 2018-09-17 | 2021-12-14 | 华为技术有限公司 | 发送报文的方法、接收报文的方法及网络设备 |
CN113973124B (zh) * | 2021-10-27 | 2023-01-20 | 北京达佳互联信息技术有限公司 | 数据传输方法及装置、电子设备、计算机可读存储介质 |
US11589104B1 (en) * | 2022-06-17 | 2023-02-21 | Userful Corporation | Latency compensation for external networks |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0393806A2 (fr) * | 1989-04-17 | 1990-10-24 | Trw Inc. | Procédé et dispositif cryptographique d'échange de clé publique avec authentification |
US5841864A (en) * | 1996-08-05 | 1998-11-24 | Motorola Inc. | Apparatus and method for authentication and session key exchange in a communication system |
US5870474A (en) * | 1995-12-04 | 1999-02-09 | Scientific-Atlanta, Inc. | Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
EP0910003A2 (fr) * | 1997-10-16 | 1999-04-21 | Sony Corporation | Dispositif et procédé de traitement d'informations et support de transmission |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE33189E (en) * | 1981-11-19 | 1990-03-27 | Communications Satellite Corporation | Security system for SSTV encryption |
US5680131A (en) * | 1993-10-29 | 1997-10-21 | National Semiconductor Corporation | Security system having randomized synchronization code after power up |
US5539094A (en) * | 1993-11-12 | 1996-07-23 | La Jolla Cancer Research Foundation | DNA encoding Bcl-2-associated proteins |
JP3321972B2 (ja) * | 1994-02-15 | 2002-09-09 | ソニー株式会社 | ディジタル信号記録装置 |
US5805705A (en) * | 1996-01-29 | 1998-09-08 | International Business Machines Corporation | Synchronization of encryption/decryption keys in a data communication network |
JP3769804B2 (ja) * | 1996-02-02 | 2006-04-26 | ソニー株式会社 | 解読化方法および電子機器 |
US5861864A (en) * | 1996-04-02 | 1999-01-19 | Hewlett-Packard Company | Video interface system and method |
US6041123A (en) * | 1996-07-01 | 2000-03-21 | Allsoft Distributing Incorporated | Centralized secure communications system |
US5850444A (en) * | 1996-09-09 | 1998-12-15 | Telefonaktienbolaget L/M Ericsson (Publ) | Method and apparatus for encrypting radio traffic in a telecommunications network |
US5937066A (en) * | 1996-10-02 | 1999-08-10 | International Business Machines Corporation | Two-phase cryptographic key recovery system |
JP3760460B2 (ja) * | 1997-04-23 | 2006-03-29 | ソニー株式会社 | データ送信装置および方法、データ受信装置および方法、並びにデータ送受信システムおよび方法 |
US6526144B2 (en) * | 1997-06-02 | 2003-02-25 | Texas Instruments Incorporated | Data protection system |
JP3427694B2 (ja) * | 1997-09-19 | 2003-07-22 | 日産自動車株式会社 | 車両用セキュリティ装置 |
US6223285B1 (en) * | 1997-10-24 | 2001-04-24 | Sony Corporation Of Japan | Method and system for transferring information using an encryption mode indicator |
US20020159598A1 (en) * | 1997-10-31 | 2002-10-31 | Keygen Corporation | System and method of dynamic key generation for digital communications |
JP2000004256A (ja) * | 1998-04-17 | 2000-01-07 | Toshiba Corp | ストリ―ムデ―タ処理システムおよびストリ―ムデ―タの制限方法 |
US6167448A (en) * | 1998-06-11 | 2000-12-26 | Compaq Computer Corporation | Management event notification system using event notification messages written using a markup language |
JP3225924B2 (ja) * | 1998-07-09 | 2001-11-05 | 日本電気株式会社 | 通信品質制御装置 |
JP2000078197A (ja) * | 1998-09-03 | 2000-03-14 | Toshiba Corp | 通信ノード及びパケット転送方法 |
WO2000045552A1 (fr) * | 1999-01-28 | 2000-08-03 | Koninklijke Philips Electronics N.V. | Synchronisation des cles de dechiffrement dans un systeme de transmission de paquets de donnees |
US6542931B1 (en) * | 1999-11-05 | 2003-04-01 | Nokia Corporation | Using sparse feedback to increase bandwidth efficiency in high delay, low bandwidth environment |
-
1999
- 1999-03-31 JP JP09391699A patent/JP3816689B2/ja not_active Expired - Lifetime
-
2000
- 2000-03-31 EP EP20000302721 patent/EP1041823B1/fr not_active Expired - Lifetime
- 2000-03-31 DE DE60038916T patent/DE60038916D1/de not_active Expired - Lifetime
- 2000-03-31 EP EP20060000449 patent/EP1646238B1/fr not_active Expired - Lifetime
- 2000-03-31 DE DE2000626451 patent/DE60026451T2/de not_active Expired - Lifetime
-
2005
- 2005-05-26 US US11/137,561 patent/US20050216731A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0393806A2 (fr) * | 1989-04-17 | 1990-10-24 | Trw Inc. | Procédé et dispositif cryptographique d'échange de clé publique avec authentification |
US5870474A (en) * | 1995-12-04 | 1999-02-09 | Scientific-Atlanta, Inc. | Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
US5841864A (en) * | 1996-08-05 | 1998-11-24 | Motorola Inc. | Apparatus and method for authentication and session key exchange in a communication system |
EP0910003A2 (fr) * | 1997-10-16 | 1999-04-21 | Sony Corporation | Dispositif et procédé de traitement d'informations et support de transmission |
Also Published As
Publication number | Publication date |
---|---|
JP2000287192A (ja) | 2000-10-13 |
EP1646238A1 (fr) | 2006-04-12 |
US20050216731A1 (en) | 2005-09-29 |
DE60026451T2 (de) | 2006-08-03 |
EP1041823A2 (fr) | 2000-10-04 |
EP1646238B1 (fr) | 2008-05-14 |
DE60026451D1 (de) | 2006-05-04 |
EP1041823B1 (fr) | 2006-03-08 |
JP3816689B2 (ja) | 2006-08-30 |
DE60038916D1 (de) | 2008-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1041823A3 (fr) | Appareil de distribution d'information, appareil de réception d'informations et méthode de distribution d'informations | |
EP1304844A8 (fr) | Système de protection de contenu et de gestion de duplication pour un réseau | |
JO2117B1 (en) | A method and device for the secure communication of information between a group of audio-visual devices that operate with numbers | |
EP1435716A3 (fr) | Mise à jour d'associations de sécurité dans un système de paquets à charge équilibrée | |
US20080267409A1 (en) | Encryption processing for streaming media | |
US7447313B2 (en) | Pointers to encrypted data in RTP header | |
WO2002021761A3 (fr) | Appareil, systeme et procede de chiffrement selectif de differentes portions de donnees envoyees par reseau | |
HK1055864A1 (en) | Time-window-constrained multicast for future delivery multicast | |
WO2001097480A3 (fr) | Systeme et procede permettant de controler l'acces a des travaux numeriques mettant en oeuvre d'un reseau | |
MY141429A (en) | Processing for managing a symmetric key in a communication network and devices for the implementation of this process. | |
MXPA03000419A (es) | Arquitectura para difusion segura de datos a base de paquetes. | |
EP1107202A3 (fr) | Système de distribution d'information et méthode de gestion d'information | |
EP0880088A3 (fr) | Système et dispositif de gestion de droits d'auteur de données | |
EP0989710A3 (fr) | Système sûr de distribution de contenues numériques | |
EP1176490A3 (fr) | Appareil et procédé de distribution de contenus cryptés | |
EP0792041A3 (fr) | Procédé et dispositif de chiffrage par bloc | |
GB2363928A (en) | Secure distribution of video on-demand | |
EP0669741A3 (fr) | Méthode et appareil pour chiffrer des communications dans un réseau de données | |
CA2479227A1 (fr) | Protection de bout-en-bout de cles de cryptage de trains de donnees de media pour systemes pour systemes a interface voix/ip | |
EP0702477A3 (fr) | Système pour la transmission et la réception sans signature de paquets de données entre réseaux d'ordinateurs | |
WO2002033881A3 (fr) | Distribution rapide de depot | |
EP0969668A3 (fr) | Protection du droit d'auteur pour des données d'image en mouvement | |
EP1139687A3 (fr) | Production d'informations de position d'une entité mobile | |
EP0872977A3 (fr) | Système et procédé pour la réalisation efficace d'une voie de communication authentifiée facilitant la détection des falsifications | |
EP1355445A3 (fr) | Procédé et dispositif de chiffrage/déchiffrage de données |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20000428 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7H 04N 7/173 B Ipc: 7H 04N 7/167 A |
|
17Q | First examination report despatched |
Effective date: 20030926 |
|
AKX | Designation fees paid |
Designated state(s): DE FR GB |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 60026451 Country of ref document: DE Date of ref document: 20060504 Kind code of ref document: P |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20061211 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 17 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 18 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 19 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20190327 Year of fee payment: 20 Ref country code: DE Payment date: 20190319 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20190213 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 60026451 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20200330 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20200330 |